@unpublished{zu211623,
           title = {???????????  ?????????? ??????????? ??????????? ?????????? ZnP\_2 ??? ???????????},
          author = {?. ?. ?????????? and ?. ?. ????????},
       publisher = {??? ??. ?.??????},
            year = {2014},
             url = {http://eprints.zu.edu.ua/11623/},
        abstract = {???????????? ??????}
}